20809925 (number)

20809925 is an odd 8-digits composite number following 20809924 and preceding 20809926. In scientific notation, it is written as 2.0809925 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 16601520 positive integers (up to 20809925) that are relatively prime to 20809925.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand nine hundred twenty-five

Notation

Scientific notation 2.0809925 × 10^7
Engineering notation 2.0809925 × 10^6

Prime Factorization of 20809925

Prime Factorization 5 × 5 × 1879 × 443

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4161985
Product of the distinct prime numbers

The prime factorization of 20809925 is 5 × 5 × 1879 × 443. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 6, 30, 643, 565, 9615, 3847, 7799, 4667, 976748, 751761, 2420022, 9089845, 27673282, 46672753, 296432173, 49688338, 4587058253, 8584994952

Basic calculations (n = 20809925)

Multiplication

n×y
n×2 41619850
n×3 62429775
n×4 83239700
n×5 104049625

Division

n÷y
n÷2 10404962.5
n÷3 6936641.6666667
n÷3 5202481.25
n÷5 4161985

Exponentiation

ny
n2 433052978505625
n3 9.0118000037287E+21
n4 1.8753488219259E+29
n5 3.9025868333117E+36

Nth Root

y√n
2√n 4561.7896707323
3√n 275.05750863398
4√n 67.541022132718
5√n 29.083997791872

Divisors of 20809925

1, 5, 25, 443, 1879, 2215, 9395, 11075, 46975, 832397, 4161985, 20809925

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20809924
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809925 can be divided by 12 positive divisors. The sum of these divisors (counting 20809925) is 1, the average is 0.083333333333333.

Base conversion 20809925

Base System Value
2 Binary 1001111011000100011000101
3 Ternary 1110011020211222
4 Quaternary 1033120203011
5 Quinary 20311404200
6 Senary 2022010125
8 Octal 117304305
10 Decimal 20809925
12 Duodecimal 6b76945
16 Hexadecimal 13d88c5
20 Vigesimal 6a14g5
36 Base36 ce11h

Cryptographic Hash Functions

md5 2528dd1a2d4f6351c75ec27087178eb9
sha1 3c9825340172cfae6b9aba7fe558ac9e06cc9293
sha256 cab737df55092130bcd014b8731b3d23ddc62e6158c91534f1cf2b19f83cbe42
sha512 8dbda7ac668ec14eaaa5a372c577c663bf09a9152c041d1c46bdf12b25d54c1f315fad1d70e014a087bed7e4f46a75aed42f96707c7700646ebeb918eafa1de1
ripemd-160 b037cee03b0bd3c1890804e8688dc2737684c03e

20809925 as geometric shapes

Circle

Radius = n
Diameter 41619850
Circumference 130752615.00351
Area 1.3604760558884E+15

Sphere

Radius = n
Volume 3.7748539583113E+22
Surface area 5.4419042235538E+15
Circumference 130752615.00351

Square

Length = n
Perimeter 83239700
Area 433052978505625
Diagonal 29429678.166967

Cube

Length = n
Surface area 2598317871033750
Volume 9.0118000037287E+21
Space diagonal 36043847.401698

Equilateral Triangle

Length = n
Perimeter 62429775
Area 1.8751744028519E+14
Altitude 18021923.700849

Triangular Pyramid

Length = n
Surface area 1.8751744028519E+14
Volume 1.0620508155556E+21
Height 9809892.7223223